After my first race and two more days of practice, I'm very, very impressed. I managed to win a heat in a race for the first time ever while running just the second battery on the track in Helmond!

My driving and set-up skills let the B-Max2 down a bit (adding a spacer instead of removing one made the car flip over when pushing too hard, tightened the diff but forgot to loosen the slipper, which made me jump too far, too little throttle after backing off the slipper made jump too short...

).
In the end of the day, the car was very well to drive.
Today, I switched to the 13.5 turn motor, fiddled a little around with the setup on my slippery home track, and it was even easier to drive than with the 17.5 before. I think I'll need more power before long!